3 ms·I’ve never seen a proof-of-concept ghost.by omginternets 3y agoI’ve never seen a proof-of-concept ghost.coldtea 3y agoMillions however have seen an actual one, or so they say.6th 3y agoBillions say <insert their deity> exists too. So. What. That's not proof.coldtea 3y agoIsn't it? Historically it has qualified as proof to whole societies.